code: def shape(x):
      return x.shape
  
imports: import numpy
  import tree
  from keras.backend.common import KerasVariable
  from keras.backend.common import standardize_dtype
  from keras.backend.common.dtypes import result_type
  from keras.backend.common.keras_tensor import KerasTensor
  from keras.backend.common.stateless_scope import StatelessScope
  from keras.utils.nest import pack_sequence_as
label_desc: Use image node_id 4 for calling a global function with example usage: shape(x) and returns: x